Ethereum execution layer synchronization nodes

• https://ethereum.org/en/developers/docs/nodes-and-clients/#execution-layer-sync-modes

• Ethereum 2.0, API, Ethereum tasks, Beacon Chain, Ethereum Staking, validator, Consensus clients, Execution clients, Validation clients, Mainnet, testnets: Prater, Goerli ETH, Inclusion distance, Ethereum attestation, Attestation effectiveness, Attestation Reward Scale, slot, Ethereum upgrades: The Merge, Epoch, Slots, rETH, sETH, stETH, Lido Staked ETH, faucet, Ethereum ports, Subjectivity, Lido Staked ETH, ENR, Sharding, Ethers.js, Yellow paper, synchronization, ECFSDS